Atom Model History

Who proposed the 'plum pudding' model of the atom?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Who first came up with the idea of an atom and called them "atomos"?

• o Democritus

• o Thomson

• o Rutherford

• o Bohr

Who performed the famous 'gold foil experiment'?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Who first discovered that electrons orbit the nucleus in orbits?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Which of the four Physicists was first to work with cathode rays?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Who, in 1897, discovered the electron?

• Dalton

• Rutherford

• Bohr

• Thompson

Who discovered that atoms have a nucleus?

• Dalton

• Thompson

• Rutherford

• Bohr

Who's theory can be linked to the law of conservation of mass?

• Dalton

• Thompson

• Rutherford

• Bohr

Tags

NGSS.HS-PS1-7

Where are the protons located?

• outside the nucleus

• inside the nucleus

• in the orbitals

• within energy levels

Tags

NGSS.HS-PS1-8

Where are the electrons located?

• o outside the nucleus

• o inside the nucleus

• o in the middle of the atom

• o in areas that contribute to the atom's mass